FixVault

Lower Control Arm Replacement

WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Lower Control Arm
GM1589188Courtesy of GENERAL MOTORS CORP.
Lower Control Arm Replacement

Callout Component Name
NOTE: The ball stud must not rotate during disassembly or reassembly. Hand tools must be used to keep the ball stud from rotating. If air tools are used and the stud is allowed to rotate, damage to the ball stud and/or stud mounting hole may occur.

Preliminary Procedure

  1. Disconnect the stabilizer link from the lower control arm. Refer to Stabilizer Shaft Link Replacement .
  2. Disconnect the shock module from the lower control arm. Refer to Shock Module Replacement .
  3. Separate the rear adjustment link from the suspension knuckle. DO NOT loosen the adjustment jamb nut. Refer to Adjustment Link Replacement .
1 Lower Control Arm Ball Joint
NOTE: Refer to Fastener Notice .

Tip: 
  • Rotate the forward edge of the knuckle outboard to gain access for the J-42188-B  Ball Joint Separator.
  • Loosen but DO NOT remove the nut until the ball stud has been separated from the knuckle.
  • Using the J-42188-B  , separate the ball stud from the knuckle.
  • Adjust the rear caster and camber. Refer to Rear Caster and Camber Adjustment .

Tighten:  40 N.m (30 lb ft) ± 135 degrees.

2 Lower Control Arm Nuts (Qty: 2)
Tip:  Prior to removing the lower control arm nuts, index the adjusting cams for ease during installation.

Tighten:  165 N.m (122 lb ft)

3 Adjusting Cams
4 Lower Control Arm to Frame Bolts (Qty: 2)
5 Lower Control Arm Assembly
Tip:  Verify the 4-wheel alignment. Refer to Measuring Wheel Alignment .